What a great idea, and nicely implemented. It’s a simple copper coil wrapped around a stove pipe. The water in the tank circulates through the copper pipe as a result of convection. A handy way to heat water and temporarily store some heat in the room.

“Tiny house on wheels in the countryside of Kilkenny, Ireland. Photos and built by Noel Higgins.” – Tiny House Swoon.

See inside of this tiny house at Tiny House Swoon…